Where Does This Gasket Go ???

[bobgritz]

I am replacing pistons in my 1983 Johnson 15hp. The powerhead gasket set has one gasket that doesn't seem to belong! I know extra gaskets are sometimes included for multiple applications but before I go too far I just wanted to see if anyone recognizes my extra gasket.

This first picture shows all the gaskets contained in the set and a description of the various pieces. The 'questionable' gasket is highlighted:

This next photo is the gasket in question. The P/N is 324717 and it's called the 'Powerhead Base Mounting Gasket.

This last picture (P/N 325721) is the 'Adapter Housing Gasket'. It fits between the bottom of the powerhead and the lower housing and does fit my motor. I only included it because it seems to most closely match the description of the phantom gasket above.

Here's the link to the outboard's specification diagram:

http://www.marineengine.com/parts/johnson-evinrude-parts.php?year=1983&hp=15&model=J15ECTR

 

[nwcove]

Re: Where Does This Gasket Go ???

does it look like it could fit between the two halves of the crankcase? ......just a thought.

 

[Chinewalker]

Re: Where Does This Gasket Go ???

That's the powerhead to base gasket for the 12hp Worktwin motor that uses the `80s style 15hp powerhead bolted up to an old style 22-cube split case lower unit and exhaust housing. Kind of an odd looking motor, eh?

 

[bobgritz]

Re: Where Does This Gasket Go ???

CW ... I don't know how in the world you figured that out ... that diagram (for that "odd looking" motor) is non-existent! Thank you very much.

 

[raczekp1]

Re: Where Does This Gasket Go ???

very rear motor,
i havent seen any for while

 

[Chinewalker]

Re: Where Does This Gasket Go ???

I wondered the same thing for years, as I rebuilt a number of the 9.9/15s and always had that gasket leftover. Wasn't 'til a buddy brought in one of the Worktwins a few years ago that I figured it out...